// Copyright (c) 2014, IOnU Security Inc.
#include "concreteobserver.h"

#include <iostream>

#include "../../cppjson/jsonobject.h"
#include "../cppcoreobjects/cloudguardurn.h"

namespace
{
    const char *GetError(int nError)
    {
        switch (nError)
        {
        case sequencelogic::PeerObserver::ERROR_CODES::ERR_DUPLICATE_DEVICE:
            return "Duplicate Device connected to K2.";
            break;
        case sequencelogic::PeerObserver::ERROR_CODES::ERR_NO_NETWORK_SVC:
            return "No nerwork service object provided.";
            break;
        default:
            return "UNKNOWN";
            break;
        }
        return "ERROR!";
    }
};

////// Observer must cough up a directory for storing limited unencrypted work data
std::string ConcreteObserver::getWorkingDirectory()
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Getting working directory of './'" << std::endl;
    return "./";
}

////// SyncAndMessageDispatch / PubSub initiated
/**
	* Invoked when a new message was received.
	*/
void ConcreteObserver::onSubscribedMessageReceived(const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Subscribed message received:\n" <<
        msgObj << std::endl;
}

/**
	* Invoked by PeerOutboundThread when a reply message was sent.
	* Typically observer has little work to perform, other than perhaps doing some UX status updating.
	* @param msg
	*/
void ConcreteObserver::onResponseSent(const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Response message sent:\n" <<
        msgObj << std::endl;
}
	
/**
	* Called when message is disposed.
	* @param fm
	*/
void ConcreteObserver::onMessageDisposed(const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Message disposed:\n" <<
        msgObj << std::endl;
}

/**
	* Incoming subscribed messages that require manual user reply/action will fire this method from the peer
    * system after the message is persisted.
	* @param msg
	*/
void ConcreteObserver::onMessagePersisted(const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Message persisted:\n" <<
        msgObj << std::endl;
}

/**
	* Called when message is removed.
	* @param msg
	*/
void ConcreteObserver::onMessageRemoved(const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Message removed:\n" <<
        msgObj << std::endl;
}
	
/**
	* Normally PubSubMessages that return true when isManualUserReplyRequired is invoked
	* require manual user intervention. This observer method allows an automatic "bot" reply
	* to those normally manual reply messages.
	* @param msg An isManualUserReplyRequired message
	* @param reply A reply message to msg; the responseData will need to be indicated by observer
	* @return null if normal message persistence is required; non-null reply object if a "bot" reply
	* is desired
    *
    * @return A JSON string to reply to the message with.  We will take ownership of the memory.
	*/
std::string ConcreteObserver::automaticReplyToManualMessage(const std::string &msg, const std::string &reply)
{
    sequencelogic::JSONObject msgObj(msg);
    sequencelogic::JSONObject replyObj(reply);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Automatic message:\n" <<
        msgObj << "\n" << "(ConcreteObserver:" << __LINE__ << ")INFO:    Reply:\n" <<
        replyObj << std::endl;

    return "";
}
	
//////// SAMD internal
void ConcreteObserver::onInactivityTimeReached()
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Inactivity timeout reached." << std::endl;
}

//////// StorageGuardService initiated
void ConcreteObserver::onSyncStart(const std::string &node)
{
    sequencelogic::JSONObject nodeObj(node);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Sync started:\n" <<
        nodeObj << std::endl;
}
void ConcreteObserver::onSyncComplete(const std::string &node)
{
    sequencelogic::JSONObject nodeObj(node);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Sync completed:\n" <<
        nodeObj << std::endl;
}
void ConcreteObserver::onSyncError(const std::string &node, const std::string &ex)
{
    sequencelogic::JSONObject nodeObj(node);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Sync error:\n" <<
        nodeObj << std::endl;
}
void ConcreteObserver::onSyncUploaded(const std::string &eye)
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Uploaded:\n" <<
        eye << std::endl;
}
void ConcreteObserver::onSyncDownload(const std::string &eye)
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Downloaded:\n" <<
        eye << std::endl;
}
void ConcreteObserver::onSyncDelete(const std::string &path)
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Deleted:\n" <<
        path << std::endl;
}

//////// SAMD messages...
/**
    * Notify the client that sync and message dispatch is starting.
    *
    * @param pUrn The device URN that is being sync'd
    */
void ConcreteObserver::onSyncAndDispatchStart(const std::string &urn)
{
    sequencelogic::CloudGuardURN urnObj(urn);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Sync and dispatch started:\n" <<
        urnObj.getUrn() << std::endl;
}
/**
    * Notify the client that sync and message dispatch has ended.
    *
    * @param pUrn The device URN that is being sync'd
    */
void ConcreteObserver::onSyncAndDispatchStop(const std::string &urn)
{
    sequencelogic::CloudGuardURN urnObj(urn);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Sync and dispatch ended:\n" <<
        urnObj.getUrn() << std::endl;
}
	
//////// State and Errors
/**
	* Was in an error (disconnected) state and now connected again.
	* @return false to skip internal sync logic; true to internally invoke subscribe
	*/
bool ConcreteObserver::onConnectionRestored()
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Connection restored." << std::endl;
    return true;
}

void ConcreteObserver::onFatalError(int code, const std::string &msg)
{
    sequencelogic::JSONObject msgObj(msg);
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Fatal error:  " << GetError(code) << "(ConcreteObserver:" << __LINE__ << ")INFO:  Message\n" <<
        msgObj << std::endl;
}
void ConcreteObserver::onServiceException(const std::string &urlOrIdentifier, const std::string &ex)
{
    std::cout << "(ConcreteObserver:" << __LINE__ << ")INFO:  Service exception:  " << 
        urlOrIdentifier << "\n(ConcreteObserver:" << __LINE__ << ")INFO:  Exception:  " << 
        ex << std::endl;
}